update dependencies and bump version to 0.1.7+45

- Bump version to `0.1.7+45` and update SDK constraint to `>=3.8.0 <4.0.0`.
- Update numerous dependencies

lib/api/marianumcloud/talk/setReadMarker/setReadMarkerParams.g.dart

@@ -12,7 +12,5 @@ SetReadMarkerParams _$SetReadMarkerParamsFromJson(Map<String, dynamic> json) =>
     );
 
 Map<String, dynamic> _$SetReadMarkerParamsToJson(
-        SetReadMarkerParams instance) =>
-    <String, dynamic>{
-      'lastReadMessage': instance.lastReadMessage,
-    };
+  SetReadMarkerParams instance,
+) => <String, dynamic>{'lastReadMessage': instance.lastReadMessage};